Here, — wait is useful, because the SSH command may prompt for a password.
在这里，——wait是有意义的，因为ssh命令可能提示输入密码。
The command runs and you wait for it to complete before you do anything else.
您要等待该命令运行完毕之后才能运行其他命令。
我等候您的命令。
首先等待命令成功。
Ask the cryptographer to wait at the command post.
告诉密码破译者在指挥部等着。
Ask the cryptographer to wait at the command post.
告诉密码破译者在指挥部等着。
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